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disable legend by default
disable legend by default

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r596:9551377d12c7
r596:9551377d12c7
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qlegend.cpp
217 lines | 5.7 KiB | text/x-c | CppLexer
sauimone
framework for legend
r524 #include "qchartglobal.h"
#include "qlegend.h"
#include "qseries.h"
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Separated legend marker to private header. Added signals for left and right mouse click
r547 #include "legendmarker_p.h"
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more intelligent legend. fixed compiler warning in bar.cpp
r565 #include "qxyseries.h"
#include "qlineseries.h"
#include "qareaseries.h"
#include "qscatterseries.h"
#include "qsplineseries.h"
#include "qbarseries.h"
#include "qstackedbarseries.h"
#include "qpercentbarseries.h"
#include "qbarset.h"
#include "qpieseries.h"
#include "qpieslice.h"
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First version of legend. Simple markers and serie names. Using drilldown as example for now.
r529 #include <QPainter>
#include <QPen>
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framework for legend
r524
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Separated legend marker to private header. Added signals for left and right mouse click
r547 #include <QGraphicsSceneEvent>
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First version of legend. Simple markers and serie names. Using drilldown as example for now.
r529
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r547 QTCOMMERCIALCHART_BEGIN_NAMESPACE
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First version of legend. Simple markers and serie names. Using drilldown as example for now.
r529
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framework for legend
r524 QLegend::QLegend(QGraphicsItem *parent)
: QGraphicsObject(parent)
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First version of legend. Simple markers and serie names. Using drilldown as example for now.
r529 ,mBoundingRect(0,0,1,1)
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background to legend, theme applies
r540 ,mBackgroundBrush(Qt::darkGray) // TODO: from theme?
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legend scaling with chart
r582 ,mMinimumSize(50,20) // TODO: magic numbers
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framework for legend
r524 {
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disable legend by default
r596 setVisible(false);
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framework for legend
r524 }
void QLegend::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
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r540 painter->setBrush(mBackgroundBrush);
painter->drawRect(mBoundingRect);
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framework for legend
r524 }
QRectF QLegend::boundingRect() const
{
return mBoundingRect;
}
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r540 void QLegend::setBackgroundBrush(const QBrush& brush)
{
mBackgroundBrush = brush;
}
QBrush QLegend::backgroundBrush() const
{
return mBackgroundBrush;
}
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legend scaling with chart
r582 QSizeF QLegend::minimumSize() const
{
return mMinimumSize;
}
void QLegend::setMinimumSize(const QSizeF size)
{
mMinimumSize = size;
}
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framework for legend
r524 void QLegend::handleSeriesAdded(QSeries* series,Domain* domain)
{
mSeriesList.append(series);
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handleThemeChanged slot to legend.
r586 createMarkers(series);
layoutChanged();
}
void QLegend::handleSeriesRemoved(QSeries* series)
{
if (series->type() == QSeries::SeriesTypeArea)
{
// This is special case. Area series has upper and lower series, which each have markers
QAreaSeries* s = static_cast<QAreaSeries*> (series);
deleteMarkers(s->upperSeries());
deleteMarkers(s->lowerSeries());
} else {
deleteMarkers(series);
}
mSeriesList.removeOne(series);
layoutChanged();
}
void QLegend::handleGeometryChanged(const QRectF& size)
{
mBoundingRect = size;
layoutChanged();
}
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more intelligent legend. fixed compiler warning in bar.cpp
r565
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handleThemeChanged slot to legend.
r586 void QLegend::createMarkers(QSeries *series)
{
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r565 switch (series->type())
{
case QSeries::SeriesTypeLine: {
QLineSeries* lineSeries = static_cast<QLineSeries*>(series);
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r586 appendMarkers(lineSeries);
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r565 break;
}
case QSeries::SeriesTypeArea: {
QAreaSeries* areaSeries = static_cast<QAreaSeries*>(series);
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handleThemeChanged slot to legend.
r586 appendMarkers(areaSeries->upperSeries());
Michal Klocek
Bugfix dangling pointer in qlegend, remove debug info
r572 if(areaSeries->lowerSeries())
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handleThemeChanged slot to legend.
r586 appendMarkers(areaSeries->lowerSeries());
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more intelligent legend. fixed compiler warning in bar.cpp
r565 break;
}
case QSeries::SeriesTypeBar: {
QBarSeries* barSeries = static_cast<QBarSeries*>(series);
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handleThemeChanged slot to legend.
r586 appendMarkers(barSeries);
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more intelligent legend. fixed compiler warning in bar.cpp
r565 break;
}
case QSeries::SeriesTypeStackedBar: {
QStackedBarSeries* stackedBarSeries = static_cast<QStackedBarSeries*>(series);
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handleThemeChanged slot to legend.
r586 appendMarkers(stackedBarSeries);
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r565 break;
}
case QSeries::SeriesTypePercentBar: {
QPercentBarSeries* percentBarSeries = static_cast<QPercentBarSeries*>(series);
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handleThemeChanged slot to legend.
r586 appendMarkers(percentBarSeries);
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more intelligent legend. fixed compiler warning in bar.cpp
r565 break;
}
case QSeries::SeriesTypeScatter: {
QScatterSeries *scatterSeries = static_cast<QScatterSeries *>(series);
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handleThemeChanged slot to legend.
r586 appendMarkers(scatterSeries);
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more intelligent legend. fixed compiler warning in bar.cpp
r565 break;
}
case QSeries::SeriesTypePie: {
QPieSeries *pieSeries = static_cast<QPieSeries *>(series);
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handleThemeChanged slot to legend.
r586 appendMarkers(pieSeries);
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more intelligent legend. fixed compiler warning in bar.cpp
r565 break;
}
case QSeries::SeriesTypeSpline: {
QSplineSeries* splineSeries = static_cast<QSplineSeries*>(series);
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handleThemeChanged slot to legend.
r586 appendMarkers(splineSeries);
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more intelligent legend. fixed compiler warning in bar.cpp
r565 break;
}
default: {
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handleThemeChanged slot to legend.
r586 qDebug()<< "QLegend::createMarkers" << series->type() << "not implemented.";
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r565 break;
}
}
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Legend can handle removing of series
r576 }
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handleThemeChanged slot to legend.
r586 void QLegend::appendMarkers(QXYSeries* series)
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First version of legend. Simple markers and serie names. Using drilldown as example for now.
r529 {
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more intelligent legend. fixed compiler warning in bar.cpp
r565 LegendMarker* marker = new LegendMarker(series,this);
marker->setName(series->name());
marker->setBrush(series->brush());
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combined clicked and rightclicked events of legend to one event with parameter
r567 connect(marker,SIGNAL(clicked(QSeries*,Qt::MouseButton)),this,SIGNAL(clicked(QSeries*,Qt::MouseButton)));
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more intelligent legend. fixed compiler warning in bar.cpp
r565 mMarkers.append(marker);
childItems().append(marker);
}
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handleThemeChanged slot to legend.
r586 void QLegend::appendMarkers(QBarSeries *series)
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r565 {
foreach(QBarSet* s, series->barSets()) {
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r576 LegendMarker* marker = new LegendMarker(series,s,this);
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r565 marker->setName(s->name());
marker->setBrush(s->brush());
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combined clicked and rightclicked events of legend to one event with parameter
r567 connect(marker,SIGNAL(clicked(QBarSet*,Qt::MouseButton)),this,SIGNAL(clicked(QBarSet*,Qt::MouseButton)));
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removed handlethemechange for legend. Too complex solution. Legend now listens the changed signals from series
r587 connect(s,SIGNAL(changed()),marker,SLOT(changed()));
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more intelligent legend. fixed compiler warning in bar.cpp
r565 mMarkers.append(marker);
childItems().append(marker);
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First version of legend. Simple markers and serie names. Using drilldown as example for now.
r529 }
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more intelligent legend. fixed compiler warning in bar.cpp
r565 }
sauimone
First version of legend. Simple markers and serie names. Using drilldown as example for now.
r529
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handleThemeChanged slot to legend.
r586 void QLegend::appendMarkers(QPieSeries *series)
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more intelligent legend. fixed compiler warning in bar.cpp
r565 {
foreach(QPieSlice* s, series->slices()) {
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r576 LegendMarker* marker = new LegendMarker(series,s,this);
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more intelligent legend. fixed compiler warning in bar.cpp
r565 marker->setName(s->label());
marker->setBrush(s->sliceBrush());
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combined clicked and rightclicked events of legend to one event with parameter
r567 connect(marker,SIGNAL(clicked(QPieSlice*,Qt::MouseButton)),this,SIGNAL(clicked(QPieSlice*,Qt::MouseButton)));
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removed handlethemechange for legend. Too complex solution. Legend now listens the changed signals from series
r587 connect(s,SIGNAL(changed()),marker,SLOT(changed()));
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more intelligent legend. fixed compiler warning in bar.cpp
r565 mMarkers.append(marker);
childItems().append(marker);
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First version of legend. Simple markers and serie names. Using drilldown as example for now.
r529 }
}
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handleThemeChanged slot to legend.
r586 void QLegend::deleteMarkers(QSeries *series)
{
// Search all markers that belong to given series and delete them.
foreach (LegendMarker *m, mMarkers) {
if (m->series() == series) {
mMarkers.removeOne(m);
delete m;
}
}
}
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First version of legend. Simple markers and serie names. Using drilldown as example for now.
r529 void QLegend::layoutChanged()
{
// Calculate layout for markers and text
if (mMarkers.count() <= 0) {
// Nothing to do
return;
}
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background to legend, theme applies
r540 qreal steps = mMarkers.count();
qreal xStep = mBoundingRect.width() / steps;
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fixed bug in legend name drawing
r585 qreal x=mBoundingRect.x();
qreal y = mBoundingRect.y() + (mBoundingRect.height()/4);
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First version of legend. Simple markers and serie names. Using drilldown as example for now.
r529 foreach (LegendMarker* m, mMarkers) {
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fixed bug in legend name drawing
r585 m->setBoundingRect(QRectF(x,y,xStep,mBoundingRect.height()/2));
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r540 x += xStep;
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First version of legend. Simple markers and serie names. Using drilldown as example for now.
r529 }
}
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framework for legend
r524 #include "moc_qlegend.cpp"
QTCOMMERCIALCHART_END_NAMESPACE